#include <iostream>
#include <conio.h>
#include <stdio.h>
using namespace std;
int main()
{
    int x = 3, y = 4;
    x = x + y;
    y = x - y;
    x = x - y;
    cout << " x=" << x; 
    cout << " y=" << y;
    cout << endl;
   getch();
    return 0;
    
}
